DelMonte, Guidubaldo
,
In duos Archimedis aequeponderantium libros Paraphrasis : scholijs illustrata
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horizonti perpendicularis. </
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<
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N11998
">ſecus aurem minimè. </
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<
s
id
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N1199A
">Nam ſi pon
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dera AB ſint in libra ADB, quę ſit arcuata, vel angulum
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abbr
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cō-ſtituat
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ſtituat</
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, ſiue intelligatur libra recta linea AB, cui affixa ſit
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perpendicularis CD. vt in tractatu de libra noſtrorum Me
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chanicorum diximus. </
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<
s
id
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N119A8
">ſuſpendantur autem pondera AB ex
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<
arrow.to.target
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="
fig20
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D, & æ〈que〉ponderent;
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abbr
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nõ
">non</
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ſequitur tamen, ergo D
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<
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abbr
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cẽtrum
">centrum</
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eſt grauitatis ma
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gnitudinis ex AB com
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poſitę. </
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<
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id
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">centrum enim gra
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uitatis in linea exiſtit AB
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quæ centra grauitatis ma
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gnitudinum AB coniun
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git, nempe in C. Verùm coniungat recta linea AB centra
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<
arrow.to.target
n
="
fig21
"/>
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grauitatis æqualium ponderum AB, lineaquè
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AB, cuius medium ſit C, in centrum mundi
<
expan
abbr
="
tẽ-dat
">ten
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dat</
expan
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, magnitudoquè ex ipſis AB compoſita vbi
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cun〈que〉 ſuſpendatur in linea AB, vt in E; ma
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nebunt vti〈que〉 pondera AB ex E ſuſpenſa, vt in
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prima propoſitione de libra noſtrorum Mecha
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nicorum oſtendimus. </
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<
s
id
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N119E1
">cùm C ſit ipſorum
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abbr
="
centrū
">centrum</
expan
>
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grauitatis, & EC ſit horizonti erecta. </
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>
<
s
id
="
N119E9
">Et quam
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uis magnitudo ex ipſis AB compoſita ex E ſu
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ſpenſa maneat; non propterea ſequitur ergo E
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centrum eſt grauitatis magnitudinis ex ipſis AB
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compoſitę. </
s
>
<
s
id
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N119F3
">niſi fortè accidat ſuſpenſio ex puncto
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C. Præterea verò aduertendum eſt in hoc caſu
<
expan
abbr
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põdera
">pon
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dera</
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AB, dici quidem poſſe, manere, non autem
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æ〈que〉ponderare. </
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<
s
id
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">omnia nimirum, quę æ〈que〉ponderant, ma
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nent; ſed non è conuerſo, quæ manent, æ〈que〉ponderant. </
s
>
<
s
id
="
N11A03
">Nam
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lb
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ſi pondus A maius fuerit pondere B; ſiue B maius, quàm
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A, vbicun〈que〉 fiat ſuſpenſio in linea AB, ſemper ob
<
expan
abbr
="
eãdem
">eandem</
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>
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cauſam, quomodocun〈que〉 ſint pondera, manebunt; non ta
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men æ〈que〉ponderabunt. </
s
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<
s
id
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N11A11
">Vt enim pondera æ〈que〉ponderent,
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requiritur, vt pars parti, virtuſquè vnius virtuti alterius hinc
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inde reſiſtere, & æquipollere poſſit; vt propriè dici poſſint
<
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="
põ
">pom</
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dera æ〈que〉ponderare. </
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<
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id
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">& vt hoc euenire poſſit, oportet, vt </
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